[(ᐧ3+1) (ᐧ3-1)ⅰ]的三次方等于多少?

2025-12-18 01:00:03
推荐回答(1个)
回答1:

解: [(√3+1)(√3-1)ⅰ]³
=[(3-1)x(-1)]³
=[2X(-1)]³
=(-2)³
=-8